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Two-dimensional Monte Carlo simulation coupled with multilinear regression modeling of source-specific health risks from groundwater.
J Hazard Mater
January 2025
University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, Belgrade 11120, Serbia. Electronic address:
Effective protection of groundwater requires an accurate health risk assessment of contaminants; however, the diversity of pollution sources, variability, and uncertainties in exposure parameters present significant challenges in this assessment. In this study, groundwater risk estimates associated with NO, and F, along with fourteen heavy metal(loid)s (V, Cr, Mn, Fe, Ni, Cu, As, Co, Cd, Se, Pb, Hg, Zn, and Al) in an agricultural area were optimized by implementing positive matrix factorization (PMF), multilinear regression, and two-dimensional Monte Carlo simulations to characterize source-specific health risks. Groundwater pollution was analyzed considering regional variations, including differences in elevation, land use and land cover, and soil types.
View Article and Find Full Text PDFComprehensive evaluation of antibiotic pollution in a typical tributary of the Yellow River, China: Source-specific partitioning and fate analysis.
J Hazard Mater
January 2025
Shanxi Key Laboratory of Sorghum Genetic and Germplasm Innovation, Sorghum Research Institute, Shanxi Agricultural University, Jinzhong 030600, China.
The partitioning and migrating of antibiotic residues pose a considerable pollution to the river environment. However, a source-specific approach for quantifying the fate of antibiotics is lacking. To further elucidate the migration behavior of antibiotics from different pollution sources in aquatic environments, we introduced a source-specific partition coefficient (S-Kp) based on Positive Matrix Factorization (PMF) model to improve the multimedia model.
View Article and Find Full Text PDFGlabridin restore the sensitivity of colistin against mcr-1-positive Escherichia coli by polypharmacology mechanism.
Microbiol Res
January 2025
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China. Electronic address:
The clinical effectiveness of colistin against multidrug-resistant Gram-negative pathogen infections has been threatened by the emergence of the plasmid-mediated colistin-resistant gene mcr-1. This development underscores the urgent need for innovative therapeutic strategies that target resistance mechanisms. In this study, we demonstrated that glabridin can restore the sensitivity of colistin to mcr-1-positive Escherichia coli (E.
View Article and Find Full Text PDFIntegrated Quantitative Tracing for Karst Groundwater Contamination: A Case Study of Landfill in Zunyi, Guizhou Province, China.
Environ Pollut
January 2025
114 Geological Brigade of Guizhou Geological and Mineral Exploration and Development Bureau, Zunyi, 563000, China; Karst Water Resources and Environment Academician Workstation of Guizhou Province, Zunyi 563000, China.
Sudden groundwater pollution in karst areas poses a serious threat to drinking water safety. Tracing contamination sources is crucial for managing and remediating groundwater pollution. Traditional tracing methods often lack accuracy, so this study combined multiple techniques to trace and quantify pollution sources near the municipal solid waste (MSW) landfill in Zunyi City, Guizhou Province, China.
View Article and Find Full Text PDFUnravelling the cleavage-rate relationship from both the experimental and theoretical standpoint: The instance of fluorite dissolution.
J Colloid Interface Sci
January 2025
University of Zagreb, Faculty of Science, Department of Chemistry, Zagreb, HR-10000, Croatia.
The phenomenon of solid dissolution into a solution constitutes a fundamental aspect in both natural and industrial contexts. Nevertheless, its intricate nature at the microscale poses a significant challenge for precise quantitative characterization at a foundational level. In this work, the influence across three specific cleavage planes, namely (100), (111), and (110) on the dissolution kinetics of fluorite in aqueous environments was examined from both experimental and theoretical standpoints.
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